EXAMINATION OF NEURONS IN WILD TYPE AND MUTANTS OF<i>CAENORHABDITIS ELEGANS</i>USING ANTIBODIES TO HORSERADISH PEROXIDASE
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Bibliographic record
Abstract
Antibodies to horseradish peroxidase (HRP) recognize 27 of 302 neurons and several non-neuronal cells in adult hermaphrodites of the soil nematode Caenorhabditis elegans and can be used to label these cells for cytological analysis in whole animals. The antibodies bind to the anterior members, but not to the posterior members of a set of mechanosensory neurons in wild type animals. Binding to one of the posterior mechanosensory neurons (PVM) occurs when this neuron migrates to an abnormal anterior position in mab-5 mutant animals, suggesting that expression of the epitope recognized by these antibodies is position dependent or that mab-5 mutations transform PVM into AVM intrinsically. The antibodies were used to characterize morphologies of two pairs of lumbar neurons (PHC and PVN) in uncoordinated mutants representing 95 unc genes. PHC and PVN morphologies were normal in most of the unc mutants examined, however, in mutants of 9 unc genes (unc-6, unc-13, unc-33, unc-44, unc-51, unc-61, unc-71, unc-73, and unc-98), misdirected PHC and/or PVN processes were observed at a high frequency. The morphologies of 2 other lumbar neurons, PHA and PHB, were determined previously in these mutants (Hedgecock et al., 1985). Mutations in most, but not all of these 9 unc genes affect the growth of the embryonic lumbar neurons PHA and PHB differently than they affect the growth of the postembryonic lumbar neurons PHC and PVN, indicating that these neurons require different, but overlapping sets of genes for different stages of normal growth and guidance.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it